They are capsules containing pure Moringa oleifera leaf powder. 
Each serving is 2 capsules, which together provide ≈ 800 mg of moringa powder. 
The bottles hold 60 capsules, hence a one-month supply at that dosage.
Increased energy, less fatigue. 
Better mood / reduced stress, improved mental clarity / brain fog. 
Improved immune function.
Skin health, gut health, detoxification. 
Some claims also include support for sleep, joints, inflammation